Proof reading：（10 处错误，每处1 分，满分10 分）

A new countryside will appearance in China a couple of years away. There will be more new farms with a certain basic knowledge of science or technology, laws and management. By then much farming techniques will have been modernized. With the help of scientists, farmers would use the latest technologies to promote agriculture without harm the environment. As a result, the yearly income of the farmers will get raising and the housing conditions will be improved as well. People will enjoy a clean, tidy and an orderly environment. Besides, the government will provide free compulsory(强制的) educate for rural kids and perfect medical care system farmers.

有关鼓室肌生理功能的描述哪项正确（）

A.主要生理功能为保护内耳免受损害

B.控制咽鼓管开闭

C.鼓膜张肌收缩增加鼓膜张力

D.鼓室肌具有保持内毛细胞张力的作用

E.镫骨肌收缩可减少内耳压力